Algorithms Overview

Many algorithms implemented in the SDK can be roughly grouped into high-level categories based on their function.

Producers

Producers are algorithms producing data by streaming from a live camera or reading a file. They are generally used to produce data that will be processed by other algorithms.

Algorithm Name	Module
`Metavision::FileProducerAlgorithm`	Core
`Metavision::GenericProducerAlgorithm`	Core
`Metavision::SharedEventsBufferProducerAlgorithm`	Core

Loggers

Loggers are algorithms processing data in order to write logs or compute statistics.

Algorithm Name	Module
`Metavision::StreamLoggerAlgorithm`	Core
`Metavision::EventCounterAlgorithm`	CV

Processors

Processors are algorithms that can be used to process data either to change some of their characteristics (e.g. flip the x coordinate of every event) or perform some advanced analysis (e.g. tracking objects or extracting spatio/temporal patterns).

Basic Processors

Algorithm Name	Module
`Metavision::FlipXAlgorithm`	Core
`Metavision::FlipYAlgorithm`	Core
`Metavision::PolarityInverterAlgorithm`	Core
`Metavision::RotateEventsAlgorithm`	CV
`Metavision::TransposeEventsAlgorithm`	CV

Advanced Processors

Algorithm Name	Module
`Metavision::OnDemandFrameGenerationAlgorithm`	Core
`Metavision::PeriodicFrameGenerationAlgorithm`	Core
`Metavision::EventConverterAlgorithm`	CV
`Metavision::FlowFrameGeneratorAlgorithm`	CV
`Metavision::FrequencyAlgorithm`	CV
`Metavision::PeriodAlgorithm`	CV
`Metavision::SparseOpticalFlowAlgorithm`	CV
`Metavision::CountingAlgorithm`	Analytics
`Metavision::DominantValueEventsAlgorithm`	Analytics
`Metavision::DominantValueMapAlgorithm`	Analytics
`Metavision::FrequencyMapAsyncAlgorithm`	Analytics
`Metavision::JetMonitoringAlgorithm`	Analytics
`Metavision::HeatMapFrameGeneratorAlgorithm`	Analytics
`Metavision::MapGeneratorAsyncAlgorithm`	Analytics
`Metavision::PeriodMapAsyncAlgorithm`	Analytics
`Metavision::PsmAlgorithm`	Analytics
`Metavision::SpatterTrackerAlgorithm`	Analytics
`Metavision::TrackingAlgorithm`	Analytics
`Metavision::BlinkingDotsGridDetectorAlgorithm`	Calibration
`Metavision::BlinkingFrameGeneratorAlgorithm`	Calibration
`Metavision::DftHighFreqScorerAlgorithm`	Calibration

Filters

Filters are algorithms taking events as input and outputting only the events that satisfy certain conditions.

Algorithm Name	Module
`Metavision::PolarityFilterAlgorithm`	Core
`Metavision::RoiFilterAlgorithm`	Core
`Metavision::AntiFlickerAlgorithm`	CV
`Metavision::ActivityNoiseFilterAlgorithm`	CV
`Metavision::RoiMaskAlgorithm`	CV
`Metavision::SpatioTemporalContrastAlgorithm`	CV
`Metavision::TrailFilterAlgorithm`	CV